[FFmpeg-cvslog] indeo: Reject impossible FRAMETYPE_NULL

[Luca Barbato]

ffmpeg | branch: release/0.10 | Luca Barbato <lu_zero at gentoo.org> | Sun Jul 14 18:16:56 2013 +0200| [36921fcdd3613dedd4046b59e3f43024fbfbbe17] | committer: Sean McGovern

indeo: Reject impossible FRAMETYPE_NULL

A frame marked FRAMETYPE_NULL cannot be scalable and requires a
previous frame successfully decoded.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable at libav.org
(cherry picked from commit 5b2a29552ca09edd4646b6aa1828b32912b7ab36)

Signed-off-by: Luca Barbato <lu_zero at gentoo.org>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=36921fcdd3613dedd4046b59e3f43024fbfbbe17
---

 libavcodec/ivi_common.c |    8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libavcodec/ivi_common.c b/libavcodec/ivi_common.c
index c907e2a..0dc7fa2 100644
--- a/libavcodec/ivi_common.c
+++ b/libavcodec/ivi_common.c
@@ -820,6 +820,14 @@ int ff_ivi_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
                 }
             }
         }
+    } else {
+        if (ctx->is_scalable)
+            return AVERROR_INVALIDDATA;
+
+        for (p = 0; p < 3; p++) {
+            if (!ctx->planes[p].bands[0].buf)
+                return AVERROR_INVALIDDATA;
+        }
     }
 
     //STOP_TIMER("decode_planes"); }